Mercurial > hg > nginx

annotate src/event/modules/ngx_rtsig_module.c @ 391:b670db10cbbd

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.7-2004-07-14-20:01:42 import
author Igor Sysoev <igor@sysoev.ru>
date Wed, 14 Jul 2004 16:01:42 +0000
parents 1471c6fb108a
children f209f3391020
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
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1
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
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2 /*
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
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3 * Copyright (C) 2002-2004 Igor Sysoev, http://sysoev.ru/en/
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4 */
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5
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6
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
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7 #include <ngx_config.h>
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
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8 #include <ngx_core.h>
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
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9 #include <ngx_event.h>
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10
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11
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12 #if (TEST_BUILD_RTSIG)
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13
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68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
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14 #define F_SETSIG 10
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
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15 #define SIGRTMIN 33
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
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16 #define si_fd __spare__[0]
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
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17 #define KERN_RTSIGNR 30
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
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18 #define KERN_RTSIGMAX 31
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19
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20 int sigtimedwait(const sigset_t *set, siginfo_t *info,
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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21 const struct timespec *timeout)
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22 {
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23 return -1;
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24 }
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008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
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25
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b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
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26 int ngx_linux_rtsig_max;
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
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27
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28 #endif
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31 typedef struct {
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af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
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32 int signo;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
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33 ngx_int_t overflow_events;
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34 ngx_int_t overflow_test;
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35 ngx_int_t overflow_threshold;
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36 } ngx_rtsig_conf_t;
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37
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38
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39 extern ngx_event_module_t ngx_poll_module_ctx;
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40
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41 static ngx_int_t ngx_rtsig_init(ngx_cycle_t *cycle);
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42 static void ngx_rtsig_done(ngx_cycle_t *cycle);
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43 static ngx_int_t ngx_rtsig_add_connection(ngx_connection_t *c);
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
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44 static ngx_int_t ngx_rtsig_del_connection(ngx_connection_t *c, u_int flags);
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
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45 static ngx_int_t ngx_rtsig_process_events(ngx_cycle_t *cycle);
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
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46 static ngx_int_t ngx_rtsig_process_overflow(ngx_cycle_t *cycle);
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47
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48 static void *ngx_rtsig_create_conf(ngx_cycle_t *cycle);
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49 static char *ngx_rtsig_init_conf(ngx_cycle_t *cycle, void *conf);
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
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50 static char *ngx_check_ngx_overflow_threshold_bounds(ngx_conf_t *cf,
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
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51 void *post, void *data);
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52
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53
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af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
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54 static sigset_t set;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
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55 static ngx_uint_t overflow, overflow_current;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
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56 static struct pollfd *overflow_list;
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57
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58
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59 static ngx_str_t rtsig_name = ngx_string("rtsig");
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60
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61 static ngx_conf_num_bounds_t ngx_overflow_threshold_bounds = {
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62 ngx_check_ngx_overflow_threshold_bounds, 2, 10
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63 };
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64
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65
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66 static ngx_command_t ngx_rtsig_commands[] = {
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67
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68 {ngx_string("rtsig_signo"),
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69 NGX_EVENT_CONF|NGX_CONF_TAKE1,
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70 ngx_conf_set_num_slot,
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71 0,
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72 offsetof(ngx_rtsig_conf_t, signo),
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73 NULL},
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74
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
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75 {ngx_string("rtsig_overflow_events"),
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
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76 NGX_EVENT_CONF|NGX_CONF_TAKE1,
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77 ngx_conf_set_num_slot,
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78 0,
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
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79 offsetof(ngx_rtsig_conf_t, overflow_events),
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80 NULL},
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81
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
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82 {ngx_string("rtsig_overflow_test"),
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
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83 NGX_EVENT_CONF|NGX_CONF_TAKE1,
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
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84 ngx_conf_set_num_slot,
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85 0,
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
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86 offsetof(ngx_rtsig_conf_t, overflow_test),
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87 NULL},
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
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88
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
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89 {ngx_string("rtsig_overflow_threshold"),
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
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90 NGX_EVENT_CONF|NGX_CONF_TAKE1,
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91 ngx_conf_set_num_slot,
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92 0,
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93 offsetof(ngx_rtsig_conf_t, overflow_threshold),
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
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94 &ngx_overflow_threshold_bounds},
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95
246
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96 ngx_null_command
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97 };
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
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parents:
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98
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
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99
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100 ngx_event_module_t ngx_rtsig_module_ctx = {
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101 &rtsig_name,
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102 ngx_rtsig_create_conf, /* create configuration */
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103 ngx_rtsig_init_conf, /* init configuration */
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104
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105 {
260
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106 NULL, /* add an event */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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107 NULL, /* delete an event */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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108 NULL, /* enable an event */
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109 NULL, /* disable an event */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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110 ngx_rtsig_add_connection, /* add an connection */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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111 ngx_rtsig_del_connection, /* delete an connection */
380
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112 NULL, /* process the changes */
260
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113 ngx_rtsig_process_events, /* process the events */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
114 ngx_rtsig_init, /* init the events */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
115 ngx_rtsig_done, /* done the events */
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
116 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
117
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
118 };
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
119
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
120 ngx_module_t ngx_rtsig_module = {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
121 NGX_MODULE,
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
122 &ngx_rtsig_module_ctx, /* module context */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
123 ngx_rtsig_commands, /* module directives */
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
124 NGX_EVENT_MODULE, /* module type */
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
125 NULL, /* init module */
380
5ce6561246a5 nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents: 375
diff changeset
126 NULL /* init process */
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
127 };
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
128
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
129
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
130 static ngx_int_t ngx_rtsig_init(ngx_cycle_t *cycle)
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
131 {
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
132 ngx_rtsig_conf_t *rtscf;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
133
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
134 if (ngx_poll_module_ctx.actions.init(cycle) == NGX_ERROR) {
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
135 return NGX_ERROR;
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
136 }
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
137
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
138 rtscf = ngx_event_get_conf(cycle->conf_ctx, ngx_rtsig_module);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
139
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
140 sigemptyset(&set);
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
141 sigaddset(&set, rtscf->signo);
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
142 sigaddset(&set, rtscf->signo + 1);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
143 sigaddset(&set, SIGIO);
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
144
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
145 if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) {
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
146 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
147 "sigprocmask() failed");
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
148 return NGX_ERROR;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
149 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
150
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
151 if (overflow_list) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
152 ngx_free(overflow_list);
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
153 }
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
154
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
155 overflow_list = ngx_alloc(sizeof(struct pollfd) * rtscf->overflow_events,
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
156 cycle->log);
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
157 if (overflow_list == NULL) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
158 return NGX_ERROR;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
159 }
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
160
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
161 ngx_io = ngx_os_io;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
162
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
163 ngx_event_actions = ngx_rtsig_module_ctx.actions;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
164
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
165 ngx_event_flags = NGX_USE_RTSIG_EVENT|NGX_HAVE_GREEDY_EVENT;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
166
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
167 return NGX_OK;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
168 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
169
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
170
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
171 static void ngx_rtsig_done(ngx_cycle_t *cycle)
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
172 {
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
173 ngx_poll_module_ctx.actions.done(cycle);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
174 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
175
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
176
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
177 static ngx_int_t ngx_rtsig_add_connection(ngx_connection_t *c)
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
178 {
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
179 int signo;
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
180 ngx_rtsig_conf_t *rtscf;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
181
349
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
182 if (c->read->accept && c->read->disabled) {
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
183
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
184 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
185 "rtsig enable connection: fd:%d", c->fd);
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
186
349
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
187 if (fcntl(c->fd, F_SETOWN, ngx_pid) == -1) {
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
188 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
189 "fcntl(F_SETOWN) failed");
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
190 return NGX_ERROR;
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
191 }
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
192
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
193 c->read->active = 1;
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
194 c->read->disabled = 0;
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
195 }
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
196
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
197 rtscf = ngx_event_get_conf(ngx_cycle->conf_ctx, ngx_rtsig_module);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
198
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
199 signo = rtscf->signo + c->read->instance;
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
200
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
201 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
202 "rtsig add connection: fd:%d signo:%d", c->fd, signo);
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
203
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204 if (fcntl(c->fd, F_SETFL, O_RDWR|O_NONBLOCK|O_ASYNC) == -1) {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
205 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206 "fcntl(O_RDWR|O_NONBLOCK|O_ASYNC) failed");
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
207 return NGX_ERROR;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
208 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
210 if (fcntl(c->fd, F_SETSIG, signo) == -1) {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
211 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212 "fcntl(F_SETSIG) failed");
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213 return NGX_ERROR;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
215
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
216 if (fcntl(c->fd, F_SETOWN, ngx_pid) == -1) {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
217 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
218 "fcntl(F_SETOWN) failed");
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
219 return NGX_ERROR;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
220 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
221
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
222 #if (HAVE_ONESIGFD)
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
223 if (fcntl(c->fd, F_SETAUXFL, O_ONESIGFD) == -1) {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
224 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
225 "fcntl(F_SETAUXFL) failed");
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
226 return NGX_ERROR;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
227 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
228 #endif
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
229
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
230 c->read->active = 1;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
231 c->write->active = 1;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
232
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
233 return NGX_OK;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
234 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
235
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
236
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
237 static ngx_int_t ngx_rtsig_del_connection(ngx_connection_t *c, u_int flags)
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
238 {
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
239 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
240 "rtsig del connection: fd:%d", c->fd);
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
241
349
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
242 if ((flags & NGX_DISABLE_EVENT) && c->read->accept) {
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
243
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
244 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
245 "rtsig disable connection: fd:%d", c->fd);
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
246
349
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
247 c->read->active = 0;
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
248 c->read->disabled = 1;
349
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
249 return NGX_OK;
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
250 }
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
251
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
252 if (flags & NGX_CLOSE_EVENT) {
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
253 c->read->active = 0;
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
254 c->write->active = 0;
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
255 return NGX_OK;
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
256 }
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
257
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
258 if (fcntl(c->fd, F_SETFL, O_RDWR|O_NONBLOCK) == -1) {
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
259 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
260 "fcntl(O_RDWR|O_NONBLOCK) failed");
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
261 return NGX_ERROR;
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
262 }
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
263
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
264 c->read->active = 0;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
265 c->write->active = 0;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
266
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
267 return NGX_OK;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
268 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
269
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
270
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
271 ngx_int_t ngx_rtsig_process_events(ngx_cycle_t *cycle)
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
272 {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
273 int signo;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
274 ngx_int_t instance, i;
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
275 ngx_uint_t expire;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
276 size_t n;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
277 ngx_msec_t timer;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
278 ngx_err_t err;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
279 siginfo_t si;
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
280 ngx_event_t *rev, *wev;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
281 struct timeval tv;
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
282 struct timespec ts, *tp;
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
283 struct sigaction sa;
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
284 ngx_epoch_msec_t delta;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
285 ngx_connection_t *c;
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
286 ngx_rtsig_conf_t *rtscf;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
287
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
288 if (overflow) {
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
289 timer = 0;
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
290 expire = 0;
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
291
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
292 } else {
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
293 for ( ;; ) {
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
294 timer = ngx_event_find_timer();
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
295
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
296 #if (NGX_THREADS)
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
297
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
298 if (timer == NGX_TIMER_ERROR) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
299 return NGX_ERROR;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
300 }
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
301
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
302 if (timer == NGX_TIMER_INFINITE || timer > 500) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
303 timer = 500;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
304 break;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
305 }
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
306
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
307 #endif
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
308
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
309 if (timer != 0) {
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
310 break;
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
311 }
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
312
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
313 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
314 "rtsig expired timer");
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
315
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
316 ngx_event_expire_timers((ngx_msec_t)
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
317 (ngx_elapsed_msec - ngx_old_elapsed_msec));
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
318
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
319 if (ngx_posted_events && ngx_threaded) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
320 ngx_wakeup_worker_thread(cycle);
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
321 }
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
322 }
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
323
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
324 expire = 1;
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
325
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
326 if (ngx_accept_mutex) {
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
327 if (ngx_accept_disabled > 0) {
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
328 ngx_accept_disabled--;
323
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
329
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
330 } else {
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
331 ngx_accept_mutex_held = 0;
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
332
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
333 if (ngx_trylock_accept_mutex(cycle) == NGX_ERROR) {
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
334 return NGX_ERROR;
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
335 }
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
336
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
337 if (ngx_accept_mutex_held == 0
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
338 && (timer == NGX_TIMER_INFINITE
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
339 || timer > ngx_accept_mutex_delay))
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
340 {
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
341 timer = ngx_accept_mutex_delay;
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
342 expire = 0;
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
343 }
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
344 }
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
345 }
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
346 }
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
347
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
348 if (timer == NGX_TIMER_INFINITE) {
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
349 tp = NULL;
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
350 expire = 0;
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
351
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
352 } else {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
353 ts.tv_sec = timer / 1000;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
354 ts.tv_nsec = (timer % 1000) * 1000000;
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
355 tp = &ts;
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
356 }
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
357
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
358 ngx_old_elapsed_msec = ngx_elapsed_msec;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
359
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
360 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
361 "rtsig timer: %d", timer);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
362
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
363 /* Linux's sigwaitinfo() is sigtimedwait() with the NULL timeout pointer */
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
364
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
365 signo = sigtimedwait(&set, &si, tp);
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
366
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
367 if (signo == -1) {
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
368 err = ngx_errno;
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
369
382
449c4885dcd1 nginx-0.0.7-2004-07-07-23:48:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
370 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, err,
449c4885dcd1 nginx-0.0.7-2004-07-07-23:48:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
371 "rtsig signo:%d", signo);
449c4885dcd1 nginx-0.0.7-2004-07-07-23:48:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
372
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
373 if (err == NGX_EAGAIN) {
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
374
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
375 if (timer == NGX_TIMER_INFINITE) {
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
376 ngx_accept_mutex_unlock();
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
377 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
378 "sigtimedwait() returned EAGAIN without timeout");
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
379 return NGX_ERROR;
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
380 }
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
381
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
382 err = 0;
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
383 }
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
384
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
385 } else {
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
386 err = 0;
382
449c4885dcd1 nginx-0.0.7-2004-07-07-23:48:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
387 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
449c4885dcd1 nginx-0.0.7-2004-07-07-23:48:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
388 "rtsig signo:%d fd:%d band:%X",
449c4885dcd1 nginx-0.0.7-2004-07-07-23:48:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
389 signo, si.si_fd, si.si_band);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
390 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
391
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
392 ngx_gettimeofday(&tv);
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
393 ngx_time_update(tv.tv_sec);
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
394
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
395 delta = ngx_elapsed_msec;
389
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 382
diff changeset
396 ngx_elapsed_msec = (ngx_epoch_msec_t) tv.tv_sec * 1000
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 382
diff changeset
397 + tv.tv_usec / 1000 - ngx_start_msec;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
398
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
399 if (err) {
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
400 ngx_accept_mutex_unlock();
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
401 ngx_log_error((err == NGX_EINTR) ? NGX_LOG_INFO : NGX_LOG_ALERT,
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
402 cycle->log, err, "sigtimedwait() failed");
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
403 return NGX_ERROR;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
404 }
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
405
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
406 if (timer != NGX_TIMER_INFINITE) {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
407 delta = ngx_elapsed_msec - delta;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
408
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
409 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
410 "rtsig timer: %d, delta: %d", timer, (int) delta);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
411 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
412
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
413 rtscf = ngx_event_get_conf(ngx_cycle->conf_ctx, ngx_rtsig_module);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
414
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
415 if (signo == rtscf->signo || signo == rtscf->signo + 1) {
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
416
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
417 if (overflow && (ngx_uint_t) si.si_fd > overflow_current) {
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
418 return NGX_OK;
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
419 }
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
420
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
421 /* TODO: old_cycles */
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
422
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
423 c = &ngx_cycle->connections[si.si_fd];
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
424
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
425 instance = signo - rtscf->signo;
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
426
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
427 rev = c->read;
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
428
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
429 if (c->read->instance != instance) {
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
430
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
431 /*
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
432 * the stale event from a file descriptor
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
433 * that was just closed in this iteration
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
434 */
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
435
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
436 ngx_accept_mutex_unlock();
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
437
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
438 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
439 "rtsig: stale event " PTR_FMT, c);
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
440
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
441 return NGX_OK;
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
442 }
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
443
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
444 if (si.si_band & (POLLIN|POLLHUP|POLLERR)) {
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
445 if (rev->active) {
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
446
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
447 if (ngx_threaded && !rev->accept) {
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
448 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) {
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
449 ngx_accept_mutex_unlock();
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
450 return NGX_ERROR;
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
451 }
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
452
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
453 rev->posted_ready = 1;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
454 ngx_post_event(rev);
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
455
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
456 ngx_mutex_unlock(ngx_posted_events_mutex);
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
457
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
458 } else {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
459 rev->ready = 1;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
460
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
461 if (!ngx_threaded && !ngx_accept_mutex_held) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
462 rev->event_handler(rev);
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
463
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
464 } else if (rev->accept) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
465 if (ngx_accept_disabled <= 0) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
466 rev->event_handler(rev);
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
467 }
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
468
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
469 } else {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
470 ngx_post_event(rev);
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
471 }
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
472 }
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
473 }
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
474 }
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
475
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
476 wev = c->write;
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
477
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
478 if (si.si_band & (POLLOUT|POLLHUP|POLLERR)) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
479 if (wev->active) {
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
480
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
481 if (ngx_threaded) {
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
482 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) {
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
483 ngx_accept_mutex_unlock();
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
484 return NGX_ERROR;
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
485 }
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
486
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
487 wev->posted_ready = 1;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
488 ngx_post_event(wev);
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
489
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
490 ngx_mutex_unlock(ngx_posted_events_mutex);
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
491
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
492 } else {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
493 wev->ready = 1;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
494
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
495 if (!ngx_threaded && !ngx_accept_mutex_held) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
496 wev->event_handler(wev);
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
497
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
498 } else {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
499 ngx_post_event(wev);
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
500 }
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
501 }
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
502 }
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
503 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
504
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
505 } else if (signo == SIGIO) {
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
506 ngx_accept_mutex_unlock();
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
507
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
508 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
509 "rt signal queue overflowed");
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
510
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
511 /* flush the RT signal queue */
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
512
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
513 ngx_memzero(&sa, sizeof(struct sigaction));
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
514 sa.sa_handler = SIG_DFL;
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
515 sigemptyset(&sa.sa_mask);
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
516
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
517 if (sigaction(rtscf->signo, &sa, NULL) == -1) {
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
518 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
519 "sigaction(%d, SIG_DFL) failed", rtscf->signo);
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
520 }
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
521
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
522 if (sigaction(rtscf->signo + 1, &sa, NULL) == -1) {
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
523 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
524 "sigaction(%d, SIG_DFL) failed", rtscf->signo + 1);
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
525 }
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
526
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
527 overflow = 1;
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
528 overflow_current = 0;
380
5ce6561246a5 nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents: 375
diff changeset
529 ngx_event_actions.process_events = ngx_rtsig_process_overflow;
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
530
352
694d7ddc3599 nginx-0.0.4-2004-06-11-10:15:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 351
diff changeset
531 return NGX_ERROR;
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
532
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
533 } else if (signo != -1) {
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
534 ngx_accept_mutex_unlock();
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
535
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
536 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
537 "sigtimedwait() returned unexpected signal: %d", signo);
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
538
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
539 return NGX_ERROR;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
540 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
541
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
542 ngx_accept_mutex_unlock();
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
543
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
544 if (expire && delta) {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
545 ngx_event_expire_timers((ngx_msec_t) delta);
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
546 }
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
547
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
548 if (ngx_posted_events) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
549 if (ngx_threaded) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
550 ngx_wakeup_worker_thread(cycle);
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
551
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
552 } else {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
553 ngx_event_process_posted(cycle);
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
554 }
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
555 }
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
556
349
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
557 if (signo == -1) {
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
558 return NGX_AGAIN;
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
559 } else {
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
560 return NGX_OK;
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
561 }
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
562 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
563
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
564
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
565 /* TODO: old cylces */
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
566
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
567 static ngx_int_t ngx_rtsig_process_overflow(ngx_cycle_t *cycle)
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
568 {
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
569 int name[2], rtsig_max, rtsig_nr, events, ready;
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
570 size_t len;
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
571 ngx_int_t tested, n, i;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
572 ngx_err_t err;
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
573 ngx_event_t *rev, *wev;
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
574 ngx_connection_t *c;
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
575 ngx_rtsig_conf_t *rtscf;
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
576
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
577 rtscf = ngx_event_get_conf(ngx_cycle->conf_ctx, ngx_rtsig_module);
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
578
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
579 tested = 0;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
580
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
581 for ( ;; ) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
582
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
583 n = 0;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
584 while (n < rtscf->overflow_events) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
585
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
586 if (overflow_current == cycle->connection_n) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
587 break;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
588 }
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
589
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
590 c = &cycle->connections[overflow_current++];
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
591
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
592 if (c->fd == -1) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
593 continue;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
594 }
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
595
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
596 events = 0;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
597
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
598 if (c->read->active && c->read->event_handler) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
599 events |= POLLIN;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
600 }
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
601
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
602 if (c->write->active && c->write->event_handler) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
603 events |= POLLOUT;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
604 }
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
605
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
606 if (events == 0) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
607 continue;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
608 }
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
609
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
610 overflow_list[n].fd = c->fd;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
611 overflow_list[n].events = events;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
612 overflow_list[n].revents = 0;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
613 n++;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
614 }
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
615
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
616 if (n == 0) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
617 break;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
618 }
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
619
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
620 for ( ;; ) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
621 ready = poll(overflow_list, n, 0);
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
622
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
623 if (ready == -1) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
624 err = ngx_errno;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
625 ngx_log_error((err == NGX_EINTR) ? NGX_LOG_INFO : NGX_LOG_ALERT,
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
626 cycle->log, 0,
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
627 "poll() failed while the overflow recover");
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
628
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
629 if (err != NGX_EINTR) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
630 break;
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
631 }
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
632 }
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
633 }
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
634
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
635 if (ready <= 0) {
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
636 continue;
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
637 }
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
638
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
639 if (n) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
640 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
641 return NGX_ERROR;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
642 }
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
643 }
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
644
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
645 for (i = 0; i < n; i++) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
646 c = &cycle->connections[overflow_list[i].fd];
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
647
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
648 rev = c->read;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
649
390
1471c6fb108a nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
650 if (rev->active
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
651 && !rev->closed
390
1471c6fb108a nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
652 && rev->event_handler
1471c6fb108a nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
653 && (overflow_list[i].revents
1471c6fb108a nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
654 & (POLLIN|POLLERR|POLLHUP|POLLNVAL)))
1471c6fb108a nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
655 {
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
656 tested++;
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
657
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
658 if (ngx_threaded) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
659 rev->posted_ready = 1;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
660 ngx_post_event(rev);
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
661
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
662 } else {
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
663 rev->ready = 1;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
664 rev->event_handler(rev);
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
665 }
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
666 }
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
667
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
668 wev = c->write;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
669
390
1471c6fb108a nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
670 if (wev->active
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
671 && !wev->closed
390
1471c6fb108a nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
672 && wev->event_handler
1471c6fb108a nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
673 && (overflow_list[i].revents
1471c6fb108a nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
674 & (POLLOUT|POLLERR|POLLHUP|POLLNVAL)))
1471c6fb108a nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
675 {
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
676 tested++;
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
677
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
678 if (ngx_threaded) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
679 wev->posted_ready = 1;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
680 ngx_post_event(wev);
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
681
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
682 } else {
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
683 wev->ready = 1;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
684 wev->event_handler(wev);
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
685 }
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
686 }
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
687 }
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
688
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
689 if (n) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
690 ngx_mutex_unlock(ngx_posted_events_mutex);
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
691 }
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
692
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
693 if (tested >= rtscf->overflow_test) {
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
694
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
695 if (ngx_linux_rtsig_max) {
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
696
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
697 /*
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
698 * Check the current rt queue length to prevent
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
699 * the new overflow.
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
700 *
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
701 * Learn the /proc/sys/kernel/rtsig-max value because
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
702 * it can be changed sisnce the last checking.
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
703 */
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
704
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
705 name[0] = CTL_KERN;
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
706 name[1] = KERN_RTSIGMAX;
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
707 len = sizeof(rtsig_max);
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
708 if (sysctl(name, sizeof(name), &rtsig_max, &len, NULL, 0) == -1)
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
709 {
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
710 ngx_log_error(NGX_LOG_ALERT, cycle->log, errno,
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
711 "sysctl(KERN_RTSIGMAX) failed");
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
712 return NGX_ERROR;
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
713 }
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
714
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
715 name[0] = CTL_KERN;
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
716 name[1] = KERN_RTSIGNR;
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
717 len = sizeof(rtsig_nr);
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
718 if (sysctl(name, sizeof(name), &rtsig_nr, &len, NULL, 0) == -1)
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
719 {
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
720 ngx_log_error(NGX_LOG_ALERT, cycle->log, errno,
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
721 "sysctl(KERN_RTSIGNR) failed");
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
722 return NGX_ERROR;
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
723 }
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
724
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
725 /*
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
726 * drain rt signal queue if the /proc/sys/kernel/rtsig-nr
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
727 * is bigger than
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
728 * /proc/sys/kernel/rtsig-max / rtsig_overflow_threshold
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
729 */
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
730
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
731 if (rtsig_max / rtscf->overflow_threshold < rtsig_nr) {
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
732 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
733 "rtsig queue state: %d/%d",
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
734 rtsig_nr, rtsig_max);
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
735 while (ngx_rtsig_process_events(cycle) == NGX_OK) {
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
736 /* void */
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
737 }
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
738 }
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
739
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
740 } else {
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
741
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
742 /*
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
743 * Linux has not KERN_RTSIGMAX since 2.6.6-mm2
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
744 * so drain rt signal queue unconditionally
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
745 */
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
746
349
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
747 while (ngx_rtsig_process_events(cycle) == NGX_OK) { /* void */ }
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
748 }
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
749
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
750 tested = 0;
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
751 }
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
752 }
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
753
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
754 if (ngx_posted_events) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
755 if (ngx_threaded) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
756 ngx_wakeup_worker_thread(cycle);
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
757
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
758 } else {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
759 ngx_event_process_posted(cycle);
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
760 }
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
761 }
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
762
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
763 ngx_log_error(NGX_LOG_INFO, cycle->log, 0,
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
764 "rt signal queue overflow recovered");
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
765
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
766 overflow = 0;
380
5ce6561246a5 nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents: 375
diff changeset
767 ngx_event_actions.process_events = ngx_rtsig_process_events;
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
768
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
769 return NGX_OK;
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
770 }
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
771
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
772
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
773 static void *ngx_rtsig_create_conf(ngx_cycle_t *cycle)
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
774 {
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
775 ngx_rtsig_conf_t *rtscf;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
776
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
777 ngx_test_null(rtscf, ngx_palloc(cycle->pool, sizeof(ngx_rtsig_conf_t)),
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
778 NGX_CONF_ERROR);
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
779
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
780 rtscf->signo = NGX_CONF_UNSET;
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
781 rtscf->overflow_events = NGX_CONF_UNSET;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
782 rtscf->overflow_test = NGX_CONF_UNSET;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
783 rtscf->overflow_threshold = NGX_CONF_UNSET;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
784
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
785 return rtscf;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
786 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
787
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
788
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
789 static char *ngx_rtsig_init_conf(ngx_cycle_t *cycle, void *conf)
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
790 {
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
791 ngx_rtsig_conf_t *rtscf = conf;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
792
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
793 /* LinuxThreads use the first 3 RT signals */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
794 ngx_conf_init_value(rtscf->signo, SIGRTMIN + 10);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
795
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
796 ngx_conf_init_value(rtscf->overflow_events, 16);
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
797 ngx_conf_init_value(rtscf->overflow_test, 32);
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
798 ngx_conf_init_value(rtscf->overflow_threshold, 10);
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
799
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
800 return NGX_CONF_OK;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
801 }
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
802
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
803
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
804 static char *ngx_check_ngx_overflow_threshold_bounds(ngx_conf_t *cf,
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
805 void *post, void *data)
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
806 {
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
807 if (ngx_linux_rtsig_max) {
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
808 return ngx_conf_check_num_bounds(cf, post, data);
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
809 }
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
810
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
811 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
812 "\"rtsig_overflow_threshold\" is not supported "
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
813 "since Linux 2.6.6-mm2, ignored");
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
814
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
815 return NGX_CONF_OK;
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
816 }